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August 26, 2005, 09:59 |
Gambit Boundary Layers
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Hi, I have a question regarding Gambit Meshing strategy. I handle complex geometry with small gaps (valves with small spool-openings) for turbulent / incompressible flows. I always divide my models for controlling my final mesh. ( I try my maximum to mesh with hexaedre for better quality). But I never achieved embedding a Boundary Layer, because I don't have any continuity in the boundary layer, because of my models which are divided in "elementary volumes". So I am facing of 2 kinds of mesh strategy: Either I continue to mesh with dividing my geometries with high quality (skewness <0.8), but without Boundary Layer (Y+ always less than 30) Either I try to mesh my models with Boundary Layers (Y+ # 1), but with tetraedres, eg: poor mesh quality. What are you opinions? Maxime
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